Their next destination is Fort Benning, but how many get there will be determined by the perils they face not only from outside their group, but also within. Jon Bernthal, Sarah Wayne Callies, Laurie Holden and Jeffrey DeMunn also star. DVD extras: "making-of" documentaries; audio commentaries by cast and crew; behind-the-scenes footage. *** (Not rated: AS, P, GV) (Also on Blu-ray)